← Every company
Columbia Banking System Inc SEC Filings
What Columbia Banking System Inc has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
COLB overview →Filings on file
132
since Oct 27, 2016
Warning signs
0
none filed
Last results
Jul 23, 2026
8-K item 2.02
Industry
State Commercial Banks
SIC 6022
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Sep 2, 2025 | Executive or director changeAcquisition or sale completed 8-K | Read ↗ |
| May 28, 2025 | Merger vote or registration S-4 | Read ↗ |
| Mar 1, 2023 | Executive or director changeAcquisition or sale completedNew debt 8-K | Read ↗ |
| Nov 22, 2021 | Merger vote or registration S-4 | Read ↗ |
| Aug 6, 2021 | Merger vote or registration S-4 | Read ↗ |
| Dec 18, 2017 | Acquisition or sale completed 8-K/A | Read ↗ |
| Nov 1, 2017 | Acquisition or sale completed 8-K | Read ↗ |
| Feb 13, 2017 | Merger vote or registration S-4 | Read ↗ |
Source: Columbia Banking System Inc's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.